Hoisting and conveying- apparatus



S. C. HARPER.

Homme AND CONVEYING APPARATUS.

APPLICATION FILED AUG-16. 19H.

Patented July 29, 1919.

THE COLUMBIA PLANouRAlxI C0.. WASHINGTON. D. C.

@Hoz "aus S. C. HARPER.

HOISTING AND CONVEYING APPARATUS.

APPLICATION FILED Amma. |917.

1 ,3 1 1 ,692. Patented July 29, 1919.

2 SHEETS-SHEET 2.

S14/vanto@ @ifm/neus Tm: COLUMBIA I'LANOURAl-ll C0.. WASHINGTON. D. C.

i character wherein the movements of the hay uw draft cablesconnected to the drums can be UNTTED STATES PATENT OFFICE.

STEPHEN C. HARPER, OF HAMPTON, MISSISSIPPL` HOISTING ANI) CONVEYING APPARATUS.

Specification of Letters Patent.

Patented July 29, 1919.

Application led August 16, 1917. Serial No..186,458.

To all whom t 'may concern: i

Be it known that I, STEPHEN C. HARPER, a citizen of theUnited States, residing at Hampton, in the county of Washington and State of Mississippi, have invented certain new and useful Improvements in Hoisting and Conveying Apparatus; and I do hereby declare the following to be a full, clear, and eXact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to new and useful improvements in unloading, loading and conveying apparatus, and has `for its principal object to provide apparatus of this carrier and the hay `fork supported by it can be controlled and released as desired without the liabilityof injury to these parts.

A further object 4of the invention is to provide rand interpose suitable friction gear- 1 ingbetween the` .power shaft and the windscribed hereinafter and set forth ingdrums with suitable means for selectively throwing; the friction gearing into Agear with t hev findin, g'` drums, `whereby the controlled atiwill.

With these and other objects `in view which will appear as the description proceeds, the invention comprises the various novel fearangement of parts as will be more fully dewith particularity in the appended claim. Y Referring to the drawings, p Figure 1 represents a diagrammatic view ofthe unloading and conveying apparatus,

showingthe haycarrier in the act `of being conveyedinto the hay mow, and

Fig. 2 represents a sectional plan view taken on the line 2-2 of Fig. 1.

Fig. 3 represents va Adiagrammatic Vview showing a slightly different arrangement of .the unloading and conveying apparatus.

Similar characters vofreference are used to denote corresponding parts throughout `the accompanying drawings and the` following description. 4 n l U Referring more particularly to the drawings, the reference numeral 1 represents a suitable `framework which in this instance is rectangular and is supported by'suitable braced legs 2. A power shaft 3 is ,disposed .transversely of the` supporting frame and is journaled in rigidly mounted bearings 4.

I. One end of the power shaft projects beyond each side of the power shaft 3 and is rigidly mounted on a drum shaft 8. One end of each drum shaft 8 is journaled in a pivotally mounted bearing 9, while the opposite end is journaled in a bearing 10 rigidly mounted on a vertically disposed` lever 11 which has its lower end pivotally mounted and slipported by the frame 1, as indicated by the numeral 12.- Each of the levers 11, in this instance, consists of a lower` section 13 which is provided with a suitable socket for the reception of the lower ends of the upper section'lfl. By this means any desired height of lever can be readily attained so as to make the pull thereon substantially horizontal with the operator, notwithstanding y the difference in height of the load. Alsoby having the levers pivoted at their lower ends, at a point beyond their connection with lthe bearings 10 of the shafts 8, I attain greater leverage and render the operation more efficient.

Extendin vertically from one corner of the supporting frame 1 is a standard 15, and extending vertically fi'oin the supporting frame at a point intermediate the lever 11 is another standard 16.

Each of the drum shafts 8 is provided with a friction wheel 17 which is rigidly connected therewith and is adapted to engage the friction wheel 6. In order to selectively engage the friction wheel 17 with the wheel 16,1 have provided suitable cable actuating means. The upper end of one of the levers 11 has connected to it one end of a pull cable 18 which is trained around a pulley 19 carried by the upper end of the standard 16 and is then trained over a pulley 20 carried by the standard 15 soas to be within easy reach of the person who is unloading the hay and operating the apparatus. The other lever 11 is adapted to be operated through the medium of a pull cable 21 which has one end connected to the lever and the other end trained over a pulley 22 carried by the standard 15 so as to be within easy reach of thc operator. By actuating either The reference numeral 23 represents a track suitably mounted in the upper portion of a hay mow 24 of a barn or stable 25. This track 23 is provided at its outer end with a trip member 26 and may, if desired, be provided at` any suitable pointvwithin the hay mow with another trip member 27 for a purpose which will be presently explained. A hay carrier 28 is slidably mounted upon the track and: is providedE with *the usual spring-pressed grab jaws 29l which are adapted to lautomatically grab and hold the shank 30 of the sheave 31 which in turn supports thelhay-'fork or grapple 32.A The hay fork is vpro-vided `with a'rele'ase catch 33 to which isf'connectedone end of a cable 34, this cablelin turn being guidedover a pulley 35 supported by the outer end ojthe track 23 and' isl then'.l conducted downwardly and wound around one of r the 'winding' drums 7 A suitably guided cable-36 has oneend wound aroundv the otherwin'ding: drum 8 and is continued upwardly and in this in-y stancegu-ided overpulleys 371and38, the

termial end'of they cable passing overa pul` leyL 39 carried by the haycarrier and beneath the sheave 31 and-rigidly attached lto theframefofthe carrier.` This -cable 36 is 'utilized for conveying the hay carrier inwardlyofV the mow while the cable 34 is used'for tripping the hay fork andfsubse-- quently conveying itv out of the" mow.

In'theoperation of theV device, and'fwe Awill say'for the ypurposey of illustration that theV operator' has A-engageda bundle' of hay withthe hay fork and caused the latterwith the'hay to ascendinto engagement with 'the hay carrier by 'pulling upon the'y cable 21, (then by a continued 4pull Vupon the cable V21, the hay vcarrier'and theiorlr supported by it will be moved inwardly into the hay mow andkjust prior to the limit of thefinward movement o'ftthehay carrier1 the cable 21 is released so as to arrest the movement of Ythe carrier. The pull'` cable` 18 isy then grasped Vand'given'a pull sufi'cient to Vcause the vi'riction gearing to wind up thecab-le34. The initial 'winding movement ofthe cable 34 will trip the hay fork and release the hay from'it and the continuedV pull upon the cablewill cause thejcarrier to move outw'ardly ofthe 'mow until the spring-'pressed grab jaws 29 engage the trip. 26, whereupon the hay fork will be released from the carrier and allowedv to descend upon theprelease i Y the cable 34 is disconnected from the trip 33 and attached to thecarrier 28, whereby the trip' maybe" then operated by hand or' a rope attachedthereto. l

Assuming the hay carrier to be within thermow, the hay fork is lowered and engaged with a bundle of hay, the'cable'21 pulled which'willelevate the fork with its load until the shank 30 of the sheave locks within the grab -jafws oi" the carrier-'281, whereupon the cable 21 isreleased'. and the cable 18 pulled which-will cause thec'arrier to move 'outward-ly into engagement with thetrip 26.` As soonas-the'forkis'released from' the carrier', lthey cable 18 is 'released also andthe cable 21 again pulle'dftocause lthe friction gearing to actas abrakeand'lthus checkthe descenti of the' hay forlrwithits.

fork to ascendS into engagl-lanentwithil the `1 carrier' and together with VVthe latterE travel inwardlyof the lmow until the trip-27" is engaged, whereup'onfth'e fork will' descend at a-rate of speedE governed byusin'g the friction gearing as abrakaj In Fig. 3'tlrelapp'aratusfisshownrigged up'fforf loading 'and unloading articles such v as'b'agsgof grain from a mow or loftglto ork from awagon'. In this instancethe bags of grain are tiedinto a'bundl'e by1 a rope @i 41 whichis engaged over a heolr`42`carried by the sheave 43, said sheave also Ccarrying a headed shank'y 44 kforL locking engagement withgthe' jaws "291 ofthe carrier 2 8: ,v

The operationoffthe-V apparatus f' inl this v instance is substantially the" same as" previously described. In rorderto'raisethfe 'load to kvthecar'ri'er, the cab=le21 is pulled, after which thecable 18"'is' pulledv to `conveyf'the carrier and its load" out: ofthemowvinto engagement with the trip 26,-l whereupon the cable 118' is-:released and 'thetcable' 21I again pulled as desired tocheclthe.descentfof the load, the" guy"rope 27y beinggused' to steady andV place-the' load.v t YA While I have-described the method? of funloadi'ng-` articlesV fromV a mow; it will be apparent yfrom j the foregoing" that' the apparatus can also be conveniently used for loading articles thereinto.

Il" desirable, ythe upper'sectionsi14iogf the Vlevers may be removed and the' pull cables 18 and 21 suitably guided and attached: to

eyes 40 carried by thel lower sections Y 13, wherebythe lattermay be'o'perated"fifoni/the` Vground in preference toxanele'vated position.

I'claim:-` In 'an unloadingand conveying* apparatus, a supporting i'ra1ne,.a power shaft 'mounted therein and provided withia fric- 5 V' Said power shaft having one end mounted in a pivoted bearing, a drum upon each of said drum shafts, vertically disposed levers pivotally mounted in the frame below said drum shafts in which the other ends of said shafts are rotatably mounted, a friction wheel carried by each drum shaft for engagement with the friction wheel on the power shaft, a vfixed operating standard at one side of the frame, a centrally disposed fixed standard, an operating cable extending from the free end of one lever and over a pulley upon said central standard to said operating standard, and an independent operating cable extending from the free end 15 of the other lever to said operating standard.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

STEPHEN C. HARPER.

Witnesses:

T. H. SHOCK, Mrs. T. H. SHOCK.

copies of this patent may be obtained tor ve cents each, by addressing the Commissioner o! Patents. Washington, D. 0. 

